Spring tooth cultivator



Sept. 7, 1937. 1

SPRING TOOTH CULTIVATOR G. E. NlX 2,092,679

Filed Aug 20, 1936 PW. T.

: l6 #4 16 1'7 m L55." mm w z v I {9 ra- [:{Ifil mm 15 5 L 1 I NH]! 4 a? 5'56 gywcm tc/n WI eorgeEQl/ax E "a /?7 Patented Sept. '7, 1&3?

means earner F F i Q E SPRING 'roo'rn CULTIVATOR George E. Nix, Phil Campbell, Ala.

Application August 20, 1936, Serial No. 97,063

'7 Claims.

This invention relates to cultivators of the spring tooth type.

The object of the invention is to provide means whereby the teeth can be readily removed, attached or adjusted laterally to conform to the requirements of the work to be done.

A further object of the invention is to provide an attachment to be secured to certain of the teeth to push the soil up to or around the plants being cultivated.

Other objects and advantages of the invention will become apparent from the drawing and the description.

In the drawing:

Figure l is a View in side elevation of the' de vice assembled on a plow beam;

Figure 2 a top plan View of the channel member with the teeth secured in position;

Figure 3 is an enlarged fragmentary sectional view on the line 3-3 of Figure 2;

Figure 4 is enlarged fragmentary view in cross section onthe line i i of Figure 2;

Figure 5 is an enlarged sectional View on. the line 5-5 of Figure 2;

Figure 6 Ba fragmentary view in side elevation showing a tooth with the spring sweep attachment applied. to the tooth;

Figure 7 is a front elevation of the parts shown in Figure 6, and

Figure 8 is a cross sectional view showing the means for securing the sweep to a tooth.

Referring more particularly to the drawing wherein like reference characters designate like 01 corresponding parts in the different views, the cultivator beam 116 has the handles it secured adjacent one end thereof.

A channel member i2 is secured to the underside and transversely to the beam ill by nuts and bolts I3 and plates Hi and M. The plates M and Hi have openings therein alined with openings IS in the member Hi all of which openings are adapted to receive the bolts E3. The plates l4 and M are secured at the opposite ends of the bolts it. The plate it rests upon the heads of the bolts l3 and bears against the underside of the channel member G2, the plate it rests upon the upper face of beam ill. The bolts it are mounted in the alined openings in plate it,

openings l5 and in the openings in plate M.

teeth la. The openings l l are sufficiently wide to permit the teeth It being adjusted laterally. The middle tooth la is held in position by the plate Hi which rests in the U-shaped portion of the member l2 and holds the member l2 against 5 the underside of the beam it. The other teeth it! are held in position by means of threaded bolts l 55 which engage openings 26 in the channel member it and are adapted to have their lower ends bearing against the upper face of the teeth it to clamp the teeth in position as best shown in Figure 5.

The teeth [8 are curved downwardly and forwardly as shown at 2i and have their free ends 22 pointed to engage the earth. 15

The end teeth designated I8 have openings 23 adjacent their pointed ends 22. Openings 23 when alined with openings 25 in the spring sweeps 2 3 are adapted to receive a bolt 25 to secure said sweep 26 to each of the teeth l8.

Each sweep 2t isprovided with a flange 2'! to bear against the edge of the tooth It to prevent rocking movement when in position. The sweep 2 3 has its lower edge 28 inclined upwardlyand outwardly to provide for deposit of the soil scraped thereby around the plants being cultivated.

It is understood that merely the preferred embodiment of the invention has been shown and described, the right being reserved to make such changes and modifications as will not depart from the spirit and scope of the invention.

I claim as my invention:-

1. In a device of the class described, a beam, a channel shaped member removably secured to said beam, the opposite flanges of said channel member being provided with alined openings, spring teeth secured in said openings, and threaded bolts engaging threaded openings in said channel member and bearing against said teeth to hold said teeth in position.

2. A spring tooth cultivator, comprising a beam, a channel shaped member secured to said beam, the opposite flanges of said member being provided with alined openings to receive spring cultivator teeth, said openings being elongated to perrnit lateral adjustment of said teeth, and said teeth being held in adjusted positions by means of bolts mounted in threaded openings in said channel member and engaging said teeth to hold them in position.

3. A spring tooth cultivator, comprising a beam, a channel member secured laterally to said beam, spring teeth adjustably held in alined openings in the opposite flanges of said channel member, 55

threaded bolts mounted in said channel member and adapted to bear against said teeth to hold them in position, said teeth being curved downwardly and forwardly.

4. A spring tooth cultivator comprising a beam, a channel member secured to said beam, the opposite flanges of said channel member being provided with alined openings, spring teeth held in said openings by means of threaded bolts, said teeth being curved downwardly and forwardly and pointed at their free end, some of said teeth being provided with an opening adjacent their free ends, spring sweeps secured to said teeth by means of a bolt mounted in an opening in said sweeps and in the opening in said teeth.

5. A device as in claim 4, said sweep having a flange on one end to engage the edge of its secured tooth to prevent rocking movement of said sweep.

6. A cultivator comprising a beam, a channel shaped member secured to said beam, the opposite flanges of said channel member being provided with openings, spring teeth mounted in said openings and adapted to be adjusted laterally therein.

7. A cultivator comprising a longitudinal memher, a channel shaped member having its opposite flanges provided with openings, spring teeth mounted in said openings and adapted to be adjusted laterally therein, and clamping means to hold said teeth in adjusted positions.

GEORGE E. NIX. 

